πŸ“Š Building Materials
Q. The expansion in Portland cement can be tested by ?
  • (A) fineness test
  • (B) soundness test
  • (C) setting time test
  • (D) normal consistency test
πŸ’¬ Discuss
βœ… Correct Answer: (B) soundness test
πŸ“Š Building Materials
Q. The normal consistency of Portland cement is about ?
  • (A) 10%
  • (B) 15%
  • (C) 20%
  • (D) 25%
πŸ’¬ Discuss
βœ… Correct Answer: (D) 25%
πŸ“Š Building Materials
Q. The strength of cement concrete increases with ?
  • (A) increase in the size of aggregate
  • (B) increase in the temperature of water of curing
  • (C) increase in the size of aggregate
  • (D) all of the above
πŸ’¬ Discuss
βœ… Correct Answer: (D) all of the above
πŸ“Š Building Materials
Q. The purpose of seasoning of timber is to ?
  • (A) change the direction of grains
  • (B) remove voids
  • (C) reduce moisture content
  • (D) all of these
πŸ’¬ Discuss
βœ… Correct Answer: (C) reduce moisture content
πŸ“Š Building Materials
Q. The durability of concrete is proportional to ?
  • (A) sand content
  • (B) water-cement ratio
  • (C) cement-aggregate ratio
  • (D) aggregate-water ratio
πŸ’¬ Discuss
βœ… Correct Answer: (C) cement-aggregate ratio

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